Push. It's not just a verb that sends people careening down a flight of stairs. It's also not just for guys in suits diddling on BlackBerrys. You hear it featured on new iPhone apps every week. So, what is it?

Helio is announcing Activesync support for the Ocean. The phone will then be able to sync calendars, email and contacts from an Exchange server. They're also doing a file viewer app that will view PDF, Word, Powerpoint and Excel docs. $10 a month for Helions with All-In service plans.